343
FZUS51 KBOX 290503
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 AM EDT Mon Apr 29 2024

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM

ANZ200-291800-
103 AM EDT Mon Apr 29 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front will drop south across northern New Eng tonight and
move into the waters Monday, then stall to the west Mon night and
Tue. Low pres tracks south of New Eng Tue night into Wed, then high
pres will follow for Thu and Fri.

$$

ANZ250-291800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds. Patchy fog.
Vsby 1 NM or less.
.MON...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and NW 2 ft at 3 seconds.
.MON NIGHT...SW winds around 5 kt, becoming NE 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 8 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and SE 1 ft at 4 seconds. A chance of showers.
.WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 3 seconds and E 2 ft at 8 seconds. Showers likely in the
morning.
.WED NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.THU THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to
25 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ251-291800-
Massachusetts Bay and Ipswich Bay-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 3 seconds and E 2 ft at 9 seconds. Patchy fog.
Vsby 1 NM or less.
.MON...N winds around 10 kt with gusts up to 20 kt, becoming E in
the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds
and NW 1 ft at 3 seconds.
.MON NIGHT...S winds around 5 kt, becoming E 10 to 15 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: NE 2 ft at 8 seconds and SE 1 ft
at 4 seconds.
.TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and SE 1 ft at 4 seconds. A chance of
showers after midnight.
.WED...E winds around 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 3 seconds and E 2 ft at 7 seconds. Showers likely in the
morning.
.WED NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.THU THROUGH FRI NIGHT...SE winds 10 to 15 kt with gusts up to
20 kt. Seas around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ231-291800-
Cape Cod Bay-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and W 1 ft at 2 seconds. Patchy fog.
Vsby 1 NM or less.
.MON...N winds around 10 kt, becoming NE in the afternoon. Gusts
up to 25 kt. Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds
and NW 1 ft at 3 seconds. Patchy fog in the morning.
.MON NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: NE 2 ft at 7 seconds and NW 1 ft at
4 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft
at 6 seconds and E 1 ft at 3 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
NE 2 ft at 6 seconds and SE 1 ft at 2 seconds. A chance of
showers.
.WED...E winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 1 ft at 2 seconds and NE 1 ft at 6 seconds.
Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ254-291800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds and SW 2 ft at 3 seconds. Patchy fog.
Vsby 1 NM or less.
.MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: NE 4 ft at 11 seconds and NW 3 ft at
4 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.MON NIGHT...NW winds around 5 kt, becoming N after midnight.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 11 seconds and W 2 ft at
5 seconds. Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 9 seconds and S 1 ft at 6 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 9 seconds and S 1 ft at 6 seconds. A chance of showers.
.WED...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wave Detail: NE 3 ft at 8 seconds and SE 2 ft at 5 seconds. A
chance of showers.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to
25 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ255-291800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds around 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
9 seconds. Patchy fog. A slight chance of showers. Vsby 1 NM or
less.
.MON...N winds 10 to 15 kt, becoming NE in the afternoon. Gusts
up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds
and E 3 ft at 9 seconds. Patchy fog in the morning with vsby 1 to
3 NM.
.MON NIGHT...SE winds around 5 kt, becoming W after midnight.
Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and SW 2 ft at
5 seconds. Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
11 seconds and SW 2 ft at 6 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.TUE NIGHT...SE winds around 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E
2 ft at 9 seconds. A chance of showers.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 8 seconds and SE 2 ft at 5 seconds.
A chance of showers.
.WED NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.THU THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ256-291800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds around 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at
9 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less.
.MON...NW winds around 10 kt, becoming E in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds
and SW 2 ft at 4 seconds. Patchy fog in the morning with vsby
1 to 3 NM.
.MON NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 12 seconds
and S 2 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
11 seconds and S 2 ft at 6 seconds.
.TUE NIGHT...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 10 seconds.
A chance of showers.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and E 2 ft at 9 seconds. A
chance of showers.
.WED NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.THU THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ232-291800-
Nantucket Sound-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 1 ft at 3 seconds and E 1 ft at
9 seconds. Patchy fog. Vsby 1 NM or less.
.MON...N winds 10 to 15 kt, becoming NE in the afternoon. Gusts
up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds
and E 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 to
3 NM.
.MON NIGHT...S winds around 5 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: E 2 ft at 11 seconds and S 1 ft at
5 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 11 seconds and SE 1 ft at 5 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 1 ft at 3 seconds and E 1 ft at 10 seconds. A chance of
showers.
.WED...E winds around 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 1 ft at 3 seconds and E 1 ft at 9 seconds.
Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.THU THROUGH FRI NIGHT...S winds 5 to 10 kt with gusts up to
25 kt. Seas around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ233-291800-
Vineyard Sound-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 1 ft at 4 seconds and E 1 ft at 9 seconds. Patchy fog.
Vsby 1 NM or less.
.MON...N winds around 10 kt, becoming E in the afternoon. Gusts
up to 20 kt. Seas around 2 ft. Wave Detail: W 1 ft at 4 seconds
and E 1 ft at 9 seconds. Patchy fog in the morning.
.MON NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft in the evening, then 1 foot or less.
Wave Detail: S 1 ft at 5 seconds and E 1 ft at 6 seconds,
becoming SW 1 ft at 5 seconds and E 1 ft at 11 seconds. Patchy
fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 ft
at 5 seconds and E 1 ft at 12 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 1 ft at 3 seconds and E 1 ft at 8 seconds. A chance of
showers.
.WED...NE winds around 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SE 1 ft at 5 seconds and E 1 ft at 9 seconds.
Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.THU THROUGH FRI NIGHT...S winds 5 to 10 kt with gusts up to
20 kt. Seas around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ234-291800-
Buzzards Bay-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 ft at 4 seconds and E 1 ft at 9 seconds. Patchy fog.
Vsby 1 NM or less.
.MON...N winds 5 to 10 kt, becoming E in the afternoon. Gusts up
to 20 kt. Seas around 2 ft. Wave Detail: W 1 ft at 4 seconds and
E 1 ft at 9 seconds.
.MON NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Seas 1 foot or less. Wave Detail: S 1 ft at 5 seconds
and E 1 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 1 ft at 5 seconds and E 1 ft at
11 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 1 ft at 3 seconds and E 1 ft at 8 seconds. A chance of
showers.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 1 ft at 4 seconds and E 1 ft at 9 seconds.
Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.THU THROUGH FRI NIGHT...S winds 5 to 10 kt with gusts up to
20 kt. Seas around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ235-291800-
Rhode Island Sound-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog.
A slight chance of showers. Vsby 1 NM or less.
.MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
9 seconds. Patchy fog in the morning.
.MON NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at
11 seconds. Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 6 seconds and E 1 ft at 12 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.TUE NIGHT AND WED...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 ft at
11 seconds. A chance of showers.
.WED NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and S
2 ft at 6 seconds.
.THU THROUGH FRI NIGHT...S winds 5 to 10 kt with gusts up to
20 kt. Seas around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ237-291800-
Block Island Sound-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog.
A slight chance of showers. Vsby 1 to 3 NM.
.MON...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
9 seconds.
.MON NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at
10 seconds. Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 6 seconds and E 2 ft at 12 seconds.
.TUE NIGHT AND WED...NE winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 ft at
11 seconds. A chance of showers.
.WED NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds.
.THU THROUGH FRI...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft.
.FRI NIGHT...S winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ230-291800-
Boston Harbor-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
Patchy fog.
.MON...N winds 5 to 10 kt with gusts up to 20 kt, becoming E in
the afternoon. Waves 1 foot or less.
.MON NIGHT...SE winds around 5 kt, becoming E 10 to 15 kt after
midnight. Waves 1 foot or less.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. Showers likely through the day.
.WED NIGHT...E winds 5 to 10 kt, becoming N after midnight. Waves
around 2 ft in the evening, then 1 foot or less.
.THU THROUGH FRI...S winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI NIGHT...SE winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ236-291800-
Narragansett Bay-
103 AM EDT Mon Apr 29 2024

.REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less.
Patchy fog. Vsby 1 to 3 NM.
.MON...N winds 5 to 10 kt with gusts up to 20 kt, becoming E in
the afternoon. Waves 1 foot or less, then around 2 ft in the
afternoon.
.MON NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Waves around 2 ft in the evening, then 1 foot or less.
Patchy fog. Vsby 1 to 3 NM.
.TUE...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves 1 foot or less.
.TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
becoming E 5 to 10 kt after midnight. Waves 1 foot or less. A
chance of showers.
.WED...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Showers likely, mainly in the morning.
.WED NIGHT...NE winds 5 to 10 kt. Waves around 2 ft.
.THU THROUGH FRI...SW winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI NIGHT...S winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

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